Unidrive SP includes an encoder-equipped ac induction motor that accurately controls speed and position for a wide range of loads.

Features & benefits

  • Works with three-phase induction motors up to 2,900 hp

  • Runs off 230, 460, and 690 V

  • Operates in V/Hz, open-loop, closed-loop, servo, rotor flux, and regenerative modes

  • Built-in PLC; supports all feedback devices

  • Overcomes high load inertia mismatches, offering direct drive control

Emerson Control Techniques
(800) 893-2321
www.emersonct.com
Circle 151

Three-level inverter

G7 ac drive features 480-V 3-level inverter architecture to eliminate or minimize installation problems associated with IGBT switching and protect the motor-drive system.

Features & benefits

  • 0.5 to 150 hp at 240 Vac; 0.5 to 500 hp at 480 Vac

  • 1% speed regulation and 200:1 control range (OL vector)

  • 0.01% speed regulation and 1,000:1 control range (CL vector)

  • Supports open networks, including Ethernet/IP, Modbus, TCP/IP, Profibus-DP, and DeviceNet

  • 0.01 to 400 Hz output frequency

Yaskawa Electric America Inc.
(800) 927-5292
www.yaskawa.com
Circle 152

Flux vector drives

SM2 series drives operate in environments where inverter technology was considered too costly and offer high starting torque, auto tuning, advanced low-speed control, and dynamic speed regulation.

Features & benefits

  • V/Hz, enhanced V/Hz, vector speed, and torque operating modes

  • 1 to 25 hp

  • Runs on 120, 208, 220, or 240 Vac single-phase power; 208, 240, 400, 480, or 600 Vac three-phase power

  • 500 Hz output frequency; 1,000 Hz optional

  • Compatible with most vector induction motors (120, 200, 230, 400, 460, and 575 Vac from 0 to 240 Hz)

Leeson Electric
(262) 387-5410
www.leeson.com
Cricle 153